<?php
/**
 * @Author: mazhenyu
 * @Date:   2014-09-18 09:51:35
 * @Last Modified by:   mazhenyu
 * @Last Modified time: 2014-09-18 09:52:06
 */
/**
 * [p 打印函数]
 * @param  [type] $arr [description]
 * @return [type]      [description]
 */
function p($arr){
	echo '<pre>';
	print_r($arr);
	echo '</pre>';
}